672666255443 has 32 divisors (see below), whose sum is σ = 842115184512. Its totient is φ = 523092556800.

The previous prime is 672666255439. The next prime is 672666255449. The reversal of 672666255443 is 344552666276.

It is a cyclic number.

It is not a de Polignac number, because 672666255443 - 2² = 672666255439 is a prime.

It is not an unprimeable number, because it can be changed into a prime (672666255449) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7287005 + ... + 7378737.

It is an arithmetic number, because the mean of its divisors is an integer number (26316099516).

Almost surely, 2^672666255443 is an apocalyptic number.

672666255443 is a deficient number, since it is larger than the sum of its proper divisors (169448929069).

672666255443 is a wasteful number, since it uses less digits than its factorization.

672666255443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93135.

The product of its digits is 43545600, while the sum is 56.

The spelling of 672666255443 in words is "six hundred seventy-two billion, six hundred sixty-six million, two hundred fifty-five thousand, four hundred forty-three".